Сеялка 8-рядная универсальная пневматическая точного высева су-8 (с
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- url: https://besplatka.ua/ru/obyavlenie/seyalka-8-ryadnaya-universalnaya-pnevmaticheskaya-tochnogo-746c24
- City: Lviv
- description: 8-row universal pneumatic precision seeding drill SU-8 (with fan)UNIVERSAL PNEUMATIC MOUNTED PRECISION SEEDING MACHINE WITH CENTRAL DRIVE – 8The SU-8 seeders are designed for dotted sowing of calibrated and non-calibrated sorted seeds of corn, sunflower and other crops with simultaneous application of mineral fertilizers and rolling the soil in rows. In the SU-8 seeder, the vacuum is created by the BP-1 fan installed on the seeder, driven by the tractor PTO. The bearing frame of the seeder frame is the receiver of its pneumatic system. The SU-8 seeder is aggregated with tractors with a pulling force of 0.9 to 2 tons. The seeder is equipped with plastic grain and fertilizer hoppers. The seeder operation principle is as follows. By means of the gear mechanism from the support-drive wheels, the seed discs and augers of the fertilizer seeders are rotated. With the help of vacuum, the seeds are sucked to the openings of the rotating disk located in the discharge zone and transported from the intake chamber to the discharge zone. Removing excess seeds stuck to the holes back into the intake chamber is carried out with a dropping fork. The coulter makes a groove, first lays the fats, they are sprinkled with earth and then, into the groove, the seeds fall so that there is no contact between the seeds and the fats. The harrows close the furrow, the press wheel compacts the soil, creating contact between the seeds and the soil and conditions for pulling moisture for them, and the train levels the field surface and creates a mulch layer of soil. eliminate the need for manual labor when forming the desired interval between plants. Pneumatic sowing machines of precision seeding drills reduce the percentage of seed crushing up to 10 times compared to mechanical ones. The seeder provides sowing on soils prepared for sowing. Requirements for the agrotechnical background (according to GOST 26711). The slope of the field surface must not exceed 8°. The surface layer of the soil before sowing must be leveled and loosened in accordance with the agrotechnical guidelines for the respective zone. The soil in the incorporation depth layer should be finely cloddy: the weight content of soil clods ranging in size from 1 to 10 mm should be at least 50%. Large stones and clods with a size of 30 mm or more are not allowed. The surface layer of the soil should not have accumulations of weeds, stubble and straw residues, exceeding the installation depth of seed placement. The height of the ridges and the depth of the furrows should not exceed 20 mm. Soil moisture in the seeding zone should be no more than: 15 - 25% - for a depth of 0-5 cm; 18 - 30% - for a depth of 5-10 cm. The hardness of the loosened layer during pre-sowing tillage should be no more than: 0.5 -1.5 kg / cm 2 - for a depth of 0-5 cm; 1.5 - 4.5 kg / cm 2 - for a depth of 5 - 12 cm. BASIC TECHNICAL CHARACTERISTICS Name Unit. Meas.Value Type of machine mountedWorking speed of movement of the unit in the main operations, not more than km/h10Working width of the grips5.6Productivity for 1 hour of main timeg/h5.6Machine weight (structural)kg860 ± 25Overall dimensions in working position (excluding marker overhang): widthlengthheightmmmmmm556018501100Overall dimensions in transport position :